$($b$)$ The number of tanks

required to perform this operation$($c$)$ The residence time$($ seconds$)$ in each tank$($d$)$ The volume $($m$3)$ of each of the tanks.$($e$)$ A proposal has been made to use two tanks of non$-$equal size

for the above reaction operations. Is this a sensible proposal and

what would be the impact of this process change to the existing

plant?